331, Preston Road, Harrow occupies a 403 m² plot as recorded by HM Land Registry.

Of the 17 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 16th largest.

331, Preston Road, Harrow last changed hands on 14th August 2007, selling for £422,500. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 48.2% since August 2007.

• Sold Aug 2007£422,500

Land Registry records and our Estate Agent network show 125 sales of comparable properties within 550 metres of 331, Preston Road, Harrow since 2013.

Most recently, 11, Kinch Grove, Wembley, HA9 9TF, a freehold house, sold at £730,000 on the 7th January 2026.

Read more about house prices in HA3.

• Sold Jan 2026£730,000 | 4 Bed House11, Kinch Grove, Wembley, HA9 9TF11, Kinch Grove, Wembley, HA9 9TF
• Sold Oct 2025£650,000 | 4 Bed House23, Toley Avenue, Wembley, HA9 9TD23, Toley Avenue, Wembley, HA9 9TD
• Sold Sep 2025£850,000 | 4 Bed House221, Woodcock Hill, Harrow, HA3 0PG221, Woodcock Hill, Harrow, HA3 0PG
• Sold May 2025£832,000 | 4 Bed House34, Shaftesbury Avenue, Harrow, HA3 0QY34, Shaftesbury Avenue, Harrow, HA3 0QY
• Sold Apr 2025£693,000 | 4 Bed House18, Kinch Grove, Wembley, HA9 9TF18, Kinch Grove, Wembley, HA9 9TF
• Sold Mar 2025£750,000 | 4 Bed House16, Kinch Grove, Wembley, HA9 9TF16, Kinch Grove, Wembley, HA9 9TF
• Sold Mar 2025£750,000 | 4 Bed House245, Woodcock Hill, Harrow, HA3 0PG245, Woodcock Hill, Harrow, HA3 0PG
• Sold Feb 2025£740,000 | 4 Bed House20, Oxenpark Avenue, Wembley, HA9 9SZ20, Oxenpark Avenue, Wembley, HA9 9SZ
• Sold Nov 2024£650,000 | 4 Bed House241, Woodcock Hill, Harrow, HA3 0PG241, Woodcock Hill, Harrow, HA3 0PG
• Sold Sep 2024£740,000 | 4 Bed House40, Vista Way, Harrow, HA3 0SL40, Vista Way, Harrow, HA3 0SL
• Sold Jun 2024£780,000 | 4 Bed House22, Regal Way, Harrow, HA3 0RX22, Regal Way, Harrow, HA3 0RX
• Sold Jun 2024£520,000 | 4 Bed House173, Preston Hill, Harrow, HA3 9UY173, Preston Hill, Harrow, HA3 9UY
• Sold Mar 2024£645,000 | 3 Bed House36, Oxenpark Avenue, Wembley, HA9 9SZ36, Oxenpark Avenue, Wembley, HA9 9SZ
• Sold Feb 2024£760,000 | 4 Bed House42, Trevelyan Crescent, Harrow, HA3 0RL42, Trevelyan Crescent, Harrow, HA3 0RL
• Sold Dec 2022£750,000 | 4 Bed House2, Shaftesbury Avenue, Harrow, HA3 0QX2, Shaftesbury Avenue, Harrow, HA3 0QX
• Sold Oct 2020£649,000 | 4 Bed House68, Ravenscroft Avenue, Wembley, HA9 9TL68, Ravenscroft Avenue, Wembley, HA9 9TL
• Sold Jul 2020£610,000 | 4 Bed House45, Trevelyan Crescent, Harrow, HA3 0RN45, Trevelyan Crescent, Harrow, HA3 0RN
• Sold Dec 2019£565,000 | 4 Bed House20, Kinch Grove, Wembley, HA9 9TF20, Kinch Grove, Wembley, HA9 9TF
• Sold Sep 2014£500,000 | 4 Bed House273, Woodcock Hill, Harrow, HA3 0PG273, Woodcock Hill, Harrow, HA3 0PG
• Sold May 2013£485,000 | 4 Bed House212, Preston Hill, Harrow, HA3 9UJ212, Preston Hill, Harrow, HA3 9UJ

Our analysis of the public data ranks 331, Preston Road, Harrow as the 29th largest and the 26th most expensive of the 235 addresses on Preston Road, Harrow, HA3.

Against the HA3 postcode district average, it is £203k more expensive than the typical property.

• Preston Park Primary School

  500 m away
• Mount Stewart Junior School

  600 m away
• Mount Stewart Infant School

  700 m away

• Claremont High School

  1.1 km away
• JFS

  1.2 km away
• St Gregory's Catholic Science College

  1.3 km away

• Preston Road

  |

  300 m away
• South Kenton

  |

  1.1 km away
• North Wembley

  |

  1.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.